Received: 5 September 2020
Accepted: 14 July 2021
First Online: 9 August 2021
: Study was approved by the Institutional Review Committee of Kathmandu University School of Medical Sciences, Dhulikhel, Nepal (ethical approval number 57/18.Informed consent to participate in the study was obtained from all participants.
: Not Applicable.
: The authors declare that they have no competing interests.